static void Main(string[] args)
{
// Here we assume that the performance counters were already installed.
string databaseFile = Path.GetTempFileName();
using (var db = Db4oEmbedded.OpenFile(databaseFile))
{
db.Store(new Item("foo"));
db.Store(new Item("bar"));
}
using (var db = Db4oEmbedded.OpenFile(NewConfiguration(), databaseFile))
{
PerformanceCounter bytesReadPerSec = Db4oPerformanceCounters.CounterFor(PerformanceCounterSpec.QueriesPerSec, db);
PrintCounter(bytesReadPerSec);
RunQuery(db);
RunQuery(db);
RunQuery(db);
Thread.Sleep(1000); // Wait one second...
PrintCounter(bytesReadPerSec);
}
File.Delete(databaseFile);
}
public static void Run(ProgramOptions options)
{
foreach (string fileName in options.StatisticsFileNames)
{
new Statistics().Run(fileName);
}
if (options.InstallPerformanceCounters)
{
Db4oPerformanceCounters.ReInstall();
}
if (options.CheckDatabase)
{
Console.Write("\r\nChecking '{0}' : ", options.Target);
ConsistencyChecker.Main(new string[] { options.Target });
}
if (options.ShowFileUsageStats)
{
FileUsageStatsCollector.Main(new string[] { options.Target, "true" });
}
if (NoInstrumentationStep(options))
{
return;
}
using (new CurrentDirectoryAssemblyResolver())
{
RunPipeline(options);
}
}
internal PerformanceCounter MessagesSent()
{
if (null == _messagesSent)
{
_messagesSent = Db4oPerformanceCounters.CounterFor(PerformanceCounterSpec.NetMessagesSentPerSec, false);
}
return(_messagesSent);
}
internal PerformanceCounter BytesReceived()
{
if (null == _bytesReceived)
{
_bytesReceived = Db4oPerformanceCounters.CounterFor(PerformanceCounterSpec.NetBytesReceivedPerSec, false);
}
return(_bytesReceived);
}
internal PerformanceCounter BytesSent()
{
if (null == _bytesSent)
{
_bytesSent = Db4oPerformanceCounters.CounterFor(PerformanceCounterSpec.NetBytesSentPerSec, false);
}
return(_bytesSent);
}
public static void ReInstall()
{
if (_installed)
{
return;
}
if (IsCurrentUserAnAdministrator())
{
Db4oPerformanceCounters.ReInstall();
_installed = true;
}
}
public static void Main(string[] args)
{
// #example: Install the performance counters
Db4oPerformanceCounters.Install();
// #end example
}
